相关实验视频
Updated: Jul 15, 2026

07:50
Genome-Wide Analysis of DNA Methylation in Gastrointestinal Cancer
Published on: September 18, 2020
5.4K
概括
这项研究确定了B4GALNT2作为性结肠炎 (UC) 的关键表观遗传标记物. 在UC中,B4GALNT2的下调和高甲基化,影响免疫反应和细胞行为.
科学领域:
- 基因组学和表观遗传学
- 胃肠病学 胃肠病学
- 分子生物学分子生物学
背景情况:
- 性结肠炎 (UC) 的发病包括复杂的遗传和表观遗传因素.
- 在炎症性肠道疾病中,DNA甲基化在调节基因表达方面发挥着至关重要的作用.
- 识别新型表观遗传标记对于理解UC和开发向疗法的必要.
研究的目的:
- 在性结肠炎中识别和验证新的DNA甲基化相关标记物.
- 调查表观遗传失调在UC病变发生中的作用.
- 专注于在UC中通过DNA甲基化调节的基因.
主要方法:
- 从性结肠炎和健康的对照组织中利用基因表达和DNA甲基化概况.
- 进行差异表达和甲基化分析以确定关键基因.
- 进行了功能注释,转录因子-mRNA网络和蛋白质-蛋白质相互作用 (PPI) 网络分析.
- 使用RT-qPCR和MSP在DSS诱导的肠上皮细胞中验证了B4GALNT2表达和甲基化.
- 评估了B4GALNT2过度表达对细胞活力,细胞亡和细胞因子释放的功能影响.
主要成果:
- 确定B4GALNT2作为性结肠炎下调和高甲基化基因.
- 发现了114个与UC免疫反应相关的上调和低甲基化基因.
- 在DSS诱导的肠上皮细胞中确认了B4GALNT2下调和高甲基化.
- 证明B4GALNT2过度表达增强了细胞活力,并减少了DSS诱导细胞中的细胞亡和细胞因子产生.
结论:
- B4GALNT2 是性结肠炎的一个显著表观遗传标记物.
- 该研究提供了UC中DNA甲基化和基因表达的综合分析.
- B4GALNT2在DSS诱导的肠上皮细胞中起着保护作用,表明其治疗潜力.
更多相关视频
09:08Investigating Target Gene Function in a CD40 Agonistic Antibody-induced Colitis Model using CRISPR/Cas9-based Technologies
Published on: June 2, 2021
1.8K
06:31Author Spotlight: Studying the Epithelial Effects of Intestinal Inflammation In Vitro on Established Murine Colonoids
Published on: June 2, 2023
914
相关概念视频
Inflammatory Bowel Disease I: Ulcerative Colitis
Introduction
Inflammatory bowel disease, or IBD, encompasses a group of disorders characterized by chronic inflammation or ulceration of the gastrointestinal tract.
Risk Factors
The exact cause of IBD remains unclear, although it is believed to be due to a mix of genetic, environmental, microbial, and immune factors. Genetic factors are significant in determining susceptibility to IBD, with family history being a critical risk factor. Individuals with a first-degree relative who has IBD are at...
Inflammatory bowel disease, or IBD, encompasses a group of disorders characterized by chronic inflammation or ulceration of the gastrointestinal tract.
Risk Factors
The exact cause of IBD remains unclear, although it is believed to be due to a mix of genetic, environmental, microbial, and immune factors. Genetic factors are significant in determining susceptibility to IBD, with family history being a critical risk factor. Individuals with a first-degree relative who has IBD are at...
Inflammatory Bowel Disease III: Diagnostic Studies and Management I-Nutritional Therapy
Various diagnostic tests are employed in the diagnostic process for Inflammatory Bowel Disease (IBD), particularly to differentiate between Crohn's disease and ulcerative colitis.
Diagnostic studies
A colonoscopy is the definitive screening test, distinguishing ulcerative colitis from other colon diseases with similar symptoms. During a colonoscopy test, inflamed mucosa with exudate ulcerations can be observed, and biopsies are taken to determine the histologic characteristics of the colonic...
Diagnostic studies
A colonoscopy is the definitive screening test, distinguishing ulcerative colitis from other colon diseases with similar symptoms. During a colonoscopy test, inflamed mucosa with exudate ulcerations can be observed, and biopsies are taken to determine the histologic characteristics of the colonic...
Inflammatory Bowel Disease II: Ulcerative Colitis
Ulcerative colitis is a chronic inflammatory disorder of the colon characterized by continuous mucosal inflammation that typically begins in the rectum and extends proximally in a uniform pattern. Its pathogenesis involves a complex interplay of genetic predisposition, immune dysregulation, and environmental influences. These factors converge to impair the colon’s epithelial defenses and promote an exaggerated inflammatory response against luminal contents.Breakdown of the Mucosal BarrierA...
Inflammatory Bowel Disease III: Crohn's Disease
Crohn’s disease is a chronic, relapsing form of inflammatory bowel disease characterized by segmental, transmural inflammation that can affect any part of the gastrointestinal tract. Its pathogenesis arises from a combination of genetic susceptibility, environmental exposures, epithelial barrier dysfunction, and immune dysregulation. Together, these factors lead to an exaggerated immune response against components of the gut microbiome.Genetic and Environmental InfluencesMultiple genetic...